WO2015188823A1 - Dispositif de débrayage - Google Patents

Dispositif de débrayage Download PDF

Info

Publication number
WO2015188823A1
WO2015188823A1 PCT/DE2015/200347 DE2015200347W WO2015188823A1 WO 2015188823 A1 WO2015188823 A1 WO 2015188823A1 DE 2015200347 W DE2015200347 W DE 2015200347W WO 2015188823 A1 WO2015188823 A1 WO 2015188823A1
Authority
WO
WIPO (PCT)
Prior art keywords
piston
rolling bellows
housing
end portion
groove
Prior art date
Application number
PCT/DE2015/200347
Other languages
German (de)
English (en)
Inventor
Alexander Glebov
Original Assignee
Schaeffler Technologies AG & Co. KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Priority to DE112015002808.0T priority Critical patent/DE112015002808A5/de
Priority to EP15733341.0A priority patent/EP3155279B1/fr
Publication of WO2015188823A1 publication Critical patent/WO2015188823A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • F16D25/083—Actuators therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D25/00—Fluid-actuated clutches
    • F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
    • F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
    • F16D25/087—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation the clutch being actuated by the fluid-actuated member via a diaphragm spring or an equivalent array of levers

Definitions

  • the invention relates to a release device, in particular for a Hydraulikvorrich- device for the operation of an aggregate in the drive train of a motor vehicle.
  • the releasing device with slave cylinder EP 2 025 962 A2 has a rolling bellows as a protection against dirt, which is mounted on the one hand on a cylinder wall radially outside of the piston in a groove and on the other hand is clamped between a bearing ring and a spring. As a result, the rolling bellows rolls in operation on the cylinder wall between the spring and the cylinder wall.
  • This design is rather less easy to assemble because the threading of the end of the rolling bellows into the groove of the cylinder wall after clamping between bearing ring and spring is rather complicated and then still the piston must be clipped into the camp and then the stopper is crimped ,
  • the object of the invention is achieved with the features of claim 1.
  • An embodiment of the invention relates to a release device having a housing with a pressure chamber arranged therein with a piston arranged displaceably therein, with a release bearing with a first bearing ring and with a second bearing ring, wherein the piston is in operative connection with one of the bearing rings, for axial Displacement of the release bearing, with a force storage, which is supported on the one hand on the housing and on the other hand, on the one of the bearing rings, a dirt protection is provided as a rolling bellows, wherein the rolling bellows is formed with two end regions, wherein one of the end regions between the housing and the energy storage is held and the other end portion is held on the axially displaceable piston.
  • the rolling bellows is much easier to assemble and beyond the rolling bellows has much more space available to unroll.
  • the rolling bellows is held with its one end region between the housing and the energy accumulator, wherein the end region is received in a receptacle of the housing, into which the energy accumulator also engages.
  • the one end region of the rolling bellows has a collar projecting in the radial direction.
  • the energy storage surface abuts the end of the rolling bellows.
  • the collar is supported on the bottom of the recording.
  • the energy accumulator can be supported indirectly with the interposition of the collar at the bottom of the recording and thus experience a safe investment.
  • the piston it is also expedient for the piston to have a radially outwardly disposed groove in which the other end region of the rolling bellows engages. As a result, a space-saving and safe way of securing the rolling bellows is achieved.
  • the other end region of the rolling bellows has a thickening for holding the end region in the groove of the piston.
  • the rolling bellows is securely received and held in the groove.
  • the piston is an annular piston and the pressure chamber is an annular pressure chamber. This achieves an efficient design that can be arranged around a transmission input shaft.
  • the groove is an annular groove, which is arranged on the radially outer side of the annular piston. Accordingly, the rolling bellows can be fixed easily.
  • a sealing element is arranged on the piston, which is positively connected to the piston.
  • This sealing element can be fastened in a groove, such as in particular in a further groove of the piston and connected to the piston.
  • the housing has a hollow cylindrical wall, which is at least partially umgreifbar of the rolling bellows. As a result, the space available for the rolling movement is used favorably.
  • Figure 1 is a schematic sectional view of a release device according to the invention in a first operating position
  • Figure 2 is a schematic sectional view of the release device according to the invention in a second operating position.
  • FIG. 1 shows a disengaging device 1 in a first operating position with the piston 2 retracted
  • FIG. 2 shows the disengaging device 1 in a second operating position with the piston 2 extended.
  • the release device 1 has a housing 3, which is sleeve-shaped and has a central sleeve 4 and a second sleeve 5.
  • the two sleeves 4, 5 form between them an annular pressure chamber 6, in which the piston 2, designed as an annular piston, is received axially displaceable.
  • a sealing element 7 is fixed, which seals the pressure chamber 6 to the outside.
  • the sealing element 7 is suspended by means of a seal carrier 8 with a holding arm in a groove 9 of the piston 2.
  • the groove 9 is introduced radially on the outside of the piston 2.
  • the release device 1 is further provided with a release bearing 10, wherein the release bearing has a first bearing ring 1 1 and a second bearing ring 12.
  • the first bearing ring 1 1 serves to act on the release bearing 10 by the piston 2 for the axial displacement of the release bearing 10 and the second bearing ring 12 is the admission of, for example, a clutch.
  • a force accumulator 13 is provided, which is supported on the one hand on the housing 3 and on the other hand on the bearing ring 1 1.
  • an intermediate element 14 is provided for support on the bearing ring. This engages under the bearing ring and the energy storage 13. The energy storage engages the other hand in a receptacle 15 of the housing 3 a.
  • a dirt protection 16 is provided as a rolling bellows 17, wherein the rolling bellows 17 is formed with two end portions 18, 19, wherein one of the end portions 18 is held between the housing 3 and the energy accumulator 13 and the other end portion 19 held on the axially displaceable piston 2 is.
  • the rolling bellows 17 is held with its one end portion 18 between the housing 3 and power storage 13, wherein the end portion 18 is formed with a radially projecting collar 20 which is received in a receptacle 15 of the housing 3. In this recording 15 and the energy storage 13 intervenes.
  • the energy accumulator is supported on the collar 20 extending in the radial direction, which in turn is supported on the base 21 of the receptacle 15.
  • the piston 2 For attachment of the other end portion 19 of the rolling bellows 17, the piston 2 has a radially outer groove 22, in which the other end portion 19 of the rolling bellows 17 engages.
  • the other end portion 19 of the rolling bellows 17 on a thickening 23, which serves to hold the end portion 19 of the rolling bellows 17 in the groove 22 of the piston 2.
  • the piston 2 is shown in the retracted operating position, which means that the piston 2 is almost completely retracted into the pressure chamber 6. This causes the rolling bellows 17 to lie around the sleeve 5 substantially.
  • the piston 2 is shown in the extended operating position, which means that the piston 2 is almost completely extended from the pressure chamber 6. This causes the rolling bellows 17 to substantially detach from the sleeve 5 and form a kind of exposed pocket.
  • the piston 2 is an annular piston and the pressure chamber 6 is an annular pressure chamber.
  • the groove 22 for holding the end portion 19 of the rolling bellows 17 is an annular groove, which is arranged on the radially outer side of the annular piston 2. As a result, the rolling bellows 17 can simply be pushed onto the piston 2.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

L'invention concerne un dispositif de débrayage (1) comprenant : un carter (3) à l'intérieur duquel se trouve une chambre de pression (6) dans laquelle peut se déplacer un piston (2) ; une butée de débrayage (10) pourvue d'une première (11) et d'une deuxième bague de palier (12), le piston (2) étant en liaison fonctionnelle avec l'une des bagues de palier (11, 12) afin de déplacer axialement la butée de débrayage (10); un accumulateur d'énergie (13) qui prend appui d'un côté sur le carter (3) et de l'autre côté sur l'une des bagues de palier (11, 12). Un dispositif anti-salissure (16) se présente sous la forme d'un soufflet tubulaire (17) comportant deux zones d'extrémité (18, 19) dont l'une (18) est maintenue entre le carter (3) et l'accumulateur d'énergie (13) et l'autre (19) est maintenue sur le piston (2) pouvant se déplacer axialement.
PCT/DE2015/200347 2014-06-13 2015-06-08 Dispositif de débrayage WO2015188823A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112015002808.0T DE112015002808A5 (de) 2014-06-13 2015-06-08 Ausrückvorrichtung
EP15733341.0A EP3155279B1 (fr) 2014-06-13 2015-06-08 Dispositif de débrayage

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014211426.8 2014-06-13
DE102014211426.8A DE102014211426A1 (de) 2014-06-13 2014-06-13 Ausrückvorrichtung

Publications (1)

Publication Number Publication Date
WO2015188823A1 true WO2015188823A1 (fr) 2015-12-17

Family

ID=53498754

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2015/200347 WO2015188823A1 (fr) 2014-06-13 2015-06-08 Dispositif de débrayage

Country Status (3)

Country Link
EP (1) EP3155279B1 (fr)
DE (2) DE102014211426A1 (fr)
WO (1) WO2015188823A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015215960A1 (de) 2015-08-21 2017-02-23 Schaeffler Technologies AG & Co. KG Nehmerzylinder für ein hydraulisches Ausrücksystem zur Betätigung einer Reibungskupplung

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3002850A1 (de) * 1980-01-26 1981-07-30 Audi Nsu Auto Union Ag, 7107 Neckarsulm Geberzylinder
DE19635101A1 (de) * 1995-09-14 1997-03-20 Valeo Ausrücklager mit hydraulischer Betätigung für eine Membranfederkupplung für Kraftfahrzeuge
DE19716473A1 (de) * 1997-04-19 1998-10-29 Fte Automotive Gmbh Zentralausrücker für eine hydraulische Kupplungsbetätigung
EP2022997A2 (fr) * 2007-08-10 2009-02-11 LuK Lamellen und Kupplungsbau Beteiligungs KG Cylindre récepteur
EP2025962A2 (fr) 2007-08-10 2009-02-18 LuK Lamellen und Kupplungsbau Beteiligungs KG Cylindre récepteur

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3002850A1 (de) * 1980-01-26 1981-07-30 Audi Nsu Auto Union Ag, 7107 Neckarsulm Geberzylinder
DE19635101A1 (de) * 1995-09-14 1997-03-20 Valeo Ausrücklager mit hydraulischer Betätigung für eine Membranfederkupplung für Kraftfahrzeuge
DE19716473A1 (de) * 1997-04-19 1998-10-29 Fte Automotive Gmbh Zentralausrücker für eine hydraulische Kupplungsbetätigung
EP2022997A2 (fr) * 2007-08-10 2009-02-11 LuK Lamellen und Kupplungsbau Beteiligungs KG Cylindre récepteur
EP2025962A2 (fr) 2007-08-10 2009-02-18 LuK Lamellen und Kupplungsbau Beteiligungs KG Cylindre récepteur

Also Published As

Publication number Publication date
EP3155279A1 (fr) 2017-04-19
DE102014211426A1 (de) 2015-12-17
DE112015002808A5 (de) 2017-03-02
EP3155279B1 (fr) 2018-04-25

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